?? feupdateenv.c
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/* Install given floating-point environment and raise exceptions. Copyright (C) 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#include <fenv_libc.h>#include <fpu_control.h>intfeupdateenv (const fenv_t *envp){ fexcept_t temp; _FPU_GETCW (temp); temp = (temp & FPC_FLAGS_MASK) >> FPC_FLAGS_SHIFT; /* Raise the exceptions since the last call to feholdenv */ /* re install saved environment. */ fesetenv (envp); feraiseexcept ((int) temp); /* Success. */ return 0;}
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